Finally fitted the last piece of the puzzle last week. I had been trying several different valves in conjunction with a check valve to let air out, keep water in, and hold a vacuum. Bottom line is the "air eliminators" that I found did not flow enough CFM to keep the chest full when on plane. Since the pumps can only move water air would slowly build in the chest until it was dry. Perhaps more than one would have done the job but I didn't want to drill more holes in my lid on a hunch.
Decided to eliminate the air eliminator and just plumb the vent overboard because it will vent a small amount of water. I had planned on using a gemlux flush vent to do this but I could not get my hands on one.
After a little thought I ran the hose in between the liner and cap and it is hidden behind the cap pointing down into the drain channel. The little bit of water that comes out of the vent hose should quickly escape through the scupper. Here are a few finished pictures. Thanks so much for the help. I have taken what I learned from this project and tackled a few other fabrication projects I had been wanting to complete.
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03-19-2012, 08:40 PM
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